Classification
616 - Diseases
571 - Physiology & related subjects
643
579 - Microorganisms, fungi & algae
87
617 - Surgery & related medical specialties
25
362 - Social welfare problems & services
11
620 - Engineering & allied operations
4
576 - Genetics & evolution
3
610 - Medicine & health
1
614 - Incidence & prevention of disease
1